AD9483 查看數據表（PDF） - Analog Devices

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AD9483

Triple 8-Bit, 140 MSPS A/D Converter

Analog Devices 

TIMING

SAMPLE N–1 SAMPLE N

SAMPLE N+3

SAMPLE N+4

AIN

ENCODE

ENCODE

tA

t EH

SAMPLE N+1

t EL

1/fS

SAMPLE N+2

t PD

tV

D7– D0

DATA N–5

CLOCK OUT

CLOCK OUT

DATA N–4

DATA N–3

DATA N–2

DATA N–1

t CPD

Figure 1. Timing—Single Channel Mode

DATA N

t CV

AD9483

SAMPLE N–1 SAMPLE N

SAMPLE N+3 SAMPLE N+4 SAMPLE N+5

AIN

SAMPLE N–2

ENCODE

ENCODE

DS

DS

tA

SAMPLE N+1 SAMPLE N+2

t EH

t EL

1/fS

t HDS

t SDS

t PD

INTERLEAVED DATA OUT

SAMPLE N+6

tV

PORT A

D7– D0

DATA N–7

OR N–8

DATA N–7

OR N–6

INVALID IF OUT OF SYNC

DATA N–4 IF IN SYNC

DATA N–2

DATA N

PORT B

D7– D0

PORT A

D7– D0

PORT B

D7– D0

CLKOUT

CLKOUT

DATA N–8

OR N–7

DATA N–9

OR N–8

DATA N–6

OR N–7

DATA N–7

OR N–8

INVALID IF OUT OF SYNC

DATA N–5 IF IN SYNC

DATA N–3

PARALLEL DATA OUT

DATA N–7

OR N–6

INVALID IF OUT OF SYNC

DATA N–4 IF IN SYNC

DATA N–8

OR N–7

DATA N–6

OR N–7

INVALID IF OUT OF SYNC

DATA N–5 IF IN SYNC

DATA N–3

DATA N–1

DATA N–2

DATA N–1

t CPD

t CV

DATA N+1

DATA N

DATA N+1

Figure 2. Timing—Dual Channel Mode

REV. C

–7–

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